This waste pipe kit does not have waste in it, it has a P-trap and connecting pipes. These are universal in size of 1-1/2 thread therefore they can easily fit in every china double kitchen sink. The package comes with all of the necessary components required for a double kitchen bowl. It has few joint connections and soft Rubber washers which offer a leak-free installation that stays leak-free for years. if you want to watch the video for the installation of this pipe, you watch the video link of the product.